In 1903, the United States and the newly independent country of Panama signed the Hay-Bunau Varilla Treaty. This was a follow-up of the unsuccessful Hay-Herran Treaty, using largely the same terms. However, unlike Colombia, Panama would agree to the terms, which established a Panama Canal Zone[?] that was 10 miles wide.
... out of which 27.3% have children under the age of 18 living with them, 44.2% are married couples living together, 12.2% have a female householder with no husband ...